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Firefox Property Manipulation Cross-Site Scripting Vulnerability
Secunia Advisory: SA15549
Release Date: 2005-07-13
Last Update: 2005-07-20
Popularity: 22,836 views

Critical:
Moderately critical
Impact: Cross Site Scripting
Where: From remote
Solution Status: Vendor Patch

Software:Mozilla Firefox 1.x

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CVE reference:CVE-2005-2266


Description:
Secunia Research has discovered a vulnerability in Firefox, which can be exploited by malicious people to conduct cross-site scripting attacks.

The problem is that the "frames", "parent", "self", and "top" DHTML properties are not properly protected from being modified by another site via JavaScript. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an arbitrary site, which calls a method in one of the modified properties.

The vulnerability has been confirmed in version 1.0.4. Prior versions may also be affected.

Solution:
Update to version 1.0.5.
http://www.mozilla.org/products/firefox/

Provided and/or discovered by:
Andreas Sandblad, Secunia Research.

Changelog:
2005-07-20: Added CAN reference and original advisory.

Original Advisory:
Secunia Research:
http://secunia.com/secunia_research/2005-15/advisory/

Mozilla:
http://www.mozilla.org/security/announce/mfsa2005-52.html


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